Cutting insert



FIG. 1 is a perspective view of the front, top and right side of a cutting insert according to a first embodiment showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a cross-sectional view thereof along line 5-5 of FIG. 2;

FIG. 6 is a cross-sectional view thereof along line 6-6 of FIG. 3;

FIG. 7 is a reference view showing the usage thereof; and,

FIG. 8 is a reference view showing the usage thereof.

The portions of the article in broken lines are shown for illustrative purposes only and form no part of the claimed design. 

CLAIM The ornamental design for a cutting insert, as shown and described. 